body {
  margin: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
    Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  width: 360px;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}
